Allison, Jerry D. MINTEQA2/PRODEFA2 a geochemical assessment model for environmental systems version 3.0 user's manual by Jerry D. Allison, David S. Brown, and Kevin J. Novo-Gradac. - Athens, Ga. Environmental Research Laboratory 1991. - viii, 106 p. ill. 28 cm. LCCN: tlc00025064 Subjects--Topical Terms: MetalsWater--Metal content.Chemical equilibrium GPO Item No.: 0431-I-11 Gov. Doc. Class. No.: EP 1.23:600/3-91/021